<?php

class Ext_Image
{
    protected static $_instance = null;

    public static function getInstance()
    {
        if (null === self::$_instance) {
            self::$_instance = new self();
        }

        return self::$_instance;
    }
    
    protected function __construct()
    {
    }
    
    public function show($imageId = null)
    {
        $image = new Ext_Image_Show();
        if($imageId != null){
            $image->build($imageId);
        }
    }
    
}
